Itasca, Illinois, sits in USDA hardiness zone 6a — room for a real mix of vegetables, fruit, and perennials matched to the local frost calendar.
Among the crops suited to this profile: cabbage, hazelnut, lavender, and collard greens. The site-level story — soil, sun, drainage — decides the rest.
Even in Itasca, no two yards are alike.
A low spot, a south-facing slope, or a stand of trees moves the frost date and sun across a single Itasca lot. Enter your address and we'll score 1,086 plants against your land's actual soil, sun, and frost.
We read public map data around Itasca — soil, climate, flood, and parcel records. How we handle your address.
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Itasca — the short answer
Itasca, Illinois: USDA zone 6a, about 210 days between hard freezes, across 3K acres of town.
- USDA zone
- 6a
- USDA PHZM 2023
- Last hard freeze (28°F)
- Apr 6
- NOAA 1991–2020 Climate Normals, 28°F — this town
- First hard freeze (28°F)
- Nov 2
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Days between freezes
- ~210
- NOAA 1991–2020 Climate Normals, 28°F — this town
- Town area
- 3K acres
- US Census TIGER/Line 2025
Every figure names the dataset it came from. Hard-freeze dates are this town’s own 28°F normals: light frosts run a few weeks past them, and tender transplants usually wait 2–3 weeks after the last hard freeze.
Hardiness Zone Range
Zone 6a is Itasca's average, not your lot's — a low corner or a tree line moves it. Against Itasca's 210-day season, see what your own ground reads.
Soil varies lot by lot — soil types explained.
What this means for growing in Itasca
Each reading below is measured for Itasca itself — here is what it means for a garden here, and the move an experienced grower makes about it.
Season length
MeasuredItasca runs about 210 days between hard freezes — a long growing season.
There is slack for succession plantings and slow-finishing crops: many vegetables can be sown twice, and the heat-lovers have time to ripen fully.
Plan a second sowing of quick crops after the first comes out, and use the fall window most gardeners let sit idle.
NOAA 1991–2020 Climate Normals
Winter hardiness
MeasuredItasca sits in USDA hardiness zone 6a.
The zone sets which perennials, shrubs, and fruit trees live through an average winter here — a plant rated for a colder zone is a safe bet, one rated warmer needs winter protection or gets treated as an annual.
Match perennials and fruit to the zone before you buy, so nothing you plant is a gamble against the cold.
USDA PHZM 2023
The kind of country Itasca is in
Itasca sits in the Central Corn Belt Plains — EPA Level III, inside the wider Eastern Temperate Forests. That is read at Itasca's own centroid rather than borrowed from DuPage County.
What Grows in Itasca
Every plant below cleared Itasca's own zone 6a and its 210-day season. Each card opens that plant's Illinois profile. How we score.
Is it too late to plant in Itasca?
Almost never — the real question is what to plant next. Cool-season crops can go in from around Mar 9; tender transplants wait until two to three weeks after the last 28°F hard freeze, which lands near Apr 6 (NOAA 1991–2020 climate normals); and from midsummer, planting counts back from the first fall freeze around Nov 2 — long-season crops need about 90 days of runway, quick greens only 30. There is slack in a calendar like this — late plantings, second rounds of favorites, and a fall bench that keeps beds working.
Documented around Itasca
Spotted lanternfly documented 13 miles from Itasca, first recorded 2023. What to watch for.
What's on the federal record near Itasca
Closest first, within ~10 miles of Itasca. Listing isn't leaking, and distance isn't exposure.
- Public Works DeptUnderground Storage Tanks · 1400 ft
- Car DoctorUnderground Storage Tanks · 1800 ft
- MR CLEENBrownfields · 1900 ft
- VEYER 6869Brownfields · 2000 ft
- Boise Cascade Office Prod DivUnderground Storage Tanks · 2000 ft
- Hejny CraigUnderground Storage Tanks · 2100 ft
- DOOR SYSTEMS INCBrownfields · 2200 ft
- AMCOR RIGID PLASTICSBrownfields · 2200 ft
- G & G LOCOTRONICSBrownfields · 2400 ft
- G & G LOCOTRONICSToxics Release Inventory · 2400 ft
- Irving Park Lift StationUnderground Storage Tanks · 2500 ft
- Itasca Country ClubUnderground Storage Tanks · 2600 ft
6 more sites are on the record inside the same radius. See them on the map
Measured from Itasca's center, not your beds. Run your own address for what's upwind of you specifically.
Environmental Intelligence
The counts behind that headline — every source type on the record near Itasca.
Total Sites
5,056
within ~10 miles of Itasca
Risk Level
Elevated
Highest-severity
26 Superfund sites (none NPL-listed)
Sources Checked
within ~10 miles of Itasca
Severity Distribution
within ~10 miles of Itasca
Highest-Severity Sites
A note from Gnorman
What an experienced grower watches for around here
In and around Itasca, Toxics Release Inventory runs higher than the national average — 516 sites within ~10 miles of Itasca. That's not a problem with your land — it's information about it.
Toxics Release Inventory: TRI facilities report annual chemical releases to air, water, and land.
Check prevailing wind direction — downwind parcels face higher exposure than upwind or crosswind locations.
Check your specific parcel in Itasca
Get exact proximity distances to contamination sources for your specific parcel — plus soil, sun, drainage, and 1,086 plant recommendations.
25+ data sources read at your address, not the Itasca average
Your land is one point inside Itasca
Everything above resolves to Itasca as a whole — one PHZM band and one 28°F frost record, read across 3K acres. Your parcel is one point inside that footprint. Slope, tree cover, a low spot that pools cold air, and what is in the soil are all resolved at the address, and none of them are visible at town scale. That is the honest boundary of this page, and the reason the next step is a reading of your own ground rather than a better local average.
Your Lot vs the Itasca Average
Itasca Average
- ●USDA Zones 6a, averaged across Itasca
- ●One soil character for all of Itasca
- ●Frost dates read at Itasca's scale: Apr 6 to Nov 2
YOUR Parcel
- ✓Your exact zone, not Itasca's 6a
- ✓Your SSURGO soil type & pH
- ✓Your sun exposure, cast in 3D
See MY Growing Report
Read your specific parcel in Itasca
Pull a site-specific report for your exact address in Itasca, Illinois — soil, sun, drainage, frost risk, and scored plant recommendations.
Three things about your lot that Itasca averages can't show:
We read public map data around Itasca — soil, climate, flood, and parcel records. How we handle your address.
25+ data sources read at your address, not the Itasca average
How we know this about Itasca
The datasets: hardiness from the USDA ARS Plant Hardiness Zone Map 2023, read at this town’s own centroid; hard-freeze dates from NOAA 1991–2020 28°F normals at Itasca’s own record; boundaries and acreage from US Census TIGER/Line 2025; the contamination records from the federal sources named in their beats above. Soil is not read at town grain anywhere on this page — there is no town-resolution survey in our data, which is why you will find no soil grid here rather than a statewide one wearing a local label. The resolution ledger below names every figure this page inherited.
Common questions about Itasca
When does frost risk typically end in Itasca?
The last hard freeze (28°F) in Itasca typically lands around Apr 6, per NOAA 1991–2020 climate normals — earlier than the light-frost dates most charts quote. That marks the hard freeze, not the last light frost — lighter frosts keep biting past it, which is why tender transplants here wait until about Apr 27.
When is the first frost in Itasca?
The first hard freeze (28°F) in Itasca typically arrives around Nov 2, per NOAA 1991–2020 climate normals — the point tender summer crops finish. Lighter frosts run ahead of it, near Oct 19, so the watching starts about Oct 3 — about 210 days after the spring freeze cleared.
How long is the growing season in Itasca?
Measured between 28°F hard freezes, Itasca sees about 210 frost-free days — roughly Apr 6 through Nov 2, per NOAA 1991–2020 climate normals. Tender crops work a shorter one: nearer Apr 27 to Oct 19, about 175 days.
Is the soil safe to grow vegetables in Itasca?
The federal record around Itasca is a meaningful one — 5,056 documented sites, mostly Underground Storage Tanks entries (2,289), the nearest Underground Storage Tanks record about 0.3 miles out — so a soil test before new food beds is a sensible precaution here, not a reason to hold back from growing. Remember that proximity to a documented site is information, not a diagnosis of any one yard; the contamination map shows exactly what sits where.
How do I protect my plants from frost in Itasca?
From about Oct 3 the job here turns from planting to protecting — the last start even a 30-day crop can finish. As the season closes around the first 28°F hard freeze near Nov 2 (NOAA 1991–2020 climate normals), three moves buy time: row cover or an old sheet over tender plants on still, clear nights; water the soil the afternoon before a freeze, so it holds warmth overnight; and harvest tomatoes, peppers and basil before Nov 2. Hardy greens and roots shrug off light frost and sweeten after it — leave them in.
Everything above is measured at Itasca's scale — its 6a band and its 210-day season. Your yard writes its own version of Itasca's numbers: we read soil, sun, drainage and frost at your exact address. Try it for 14 days — no card required.
What this page reads at Itasca’s own scale
7 of the readings below were taken at Itasca's own scale — its own ~210-day season between 28°F freezes, the 3,222 acres it covers and 5,056 documented sites around it; 4 are borrowed from a wider read, named and linked below.
Measured here
- Itasca's own USDA hardiness band, zones 6aUSDA PHZM 2023
- Itasca's own 28°F hard-freeze dates, about Apr 6 and Nov 2 and the ~210-day span between themNOAA 1991–2020 Climate Normals
- 5,056 documented contamination sites on the federal record near Itasca, the closest Underground Storage Tanks record about 0.3 miles out from the town centreFederal environmental registers
- Itasca's boundary and the 3,222 acres inside itUS Census TIGER/Line 2025
- Which of 1,086 plants clear zones 6a and a ~210-day seasonGrowable Ground crop-matching engine
- The ecoregion at Itasca's own centroid, the Central Corn Belt PlainsUS EPA Level III Ecoregions
- A documented spotted-lanternfly record within reach of Itascalydemapr (De Bona & Helmus), 10 km survey lattice
Inherited from a wider read
- Soil character — no town-scale survey exists, so Itasca's 3,222 acres read through its county's SSURGO summaryfrom DuPage County
- Growing-degree days and winter chill — measured county-wide only, so the county page carries themfrom DuPage County
- The growing challenges every Illinois grower plans around — written at state scale, so they stay on the state guidefrom Illinois
- Butterfly and beetle records, and the farmland pesticide estimate — all published county-widefrom DuPage County
What this page can’t tell you
- The soil pH, drainage, sun hours, and frost pockets on any one lot among Itasca's 3,222 acreswhy one lot differs from the next →
- Which side of Itasca you're on — a low spot frosts first and a south wall warms early, and one normal is being asked to speak for all 3,222 acresreading your own microclimate →
- How close that record sits to YOUR lot — the closest Underground Storage Tanks record about 0.3 miles out, measured from the town centrehow we read the record →
- Where cold air settles, which slopes face the sun, and which way the wind runs on your own ground — measured at your address, and averaged away by any Itasca-wide figureread your own land →
More in Illinois
Wider growing context
What grows across IllinoisItasca sits outside our named growing regions, so Illinois as a whole is its closest context here.
Nearby growing guides